Metalloids - p.6

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By:
Mary Felgenhauer!Jennifer Arthur!!Emily Long!!


Metalloids: Solid? Liquid? Gas? You guessed it, it's a
SOLID
Metalloids=Boron- group:13 Period:2
Silicon-group:14 Period:3
Germanium-group:14 Period:4
Arsenic-group:15 Period:4
Antimony-group:15 Period:5
Tellurium-group:16 Period:5
Polonium-group:16 Period:6
Common Uses: Metals, nickel, and brass!
Fun Facts!
1. Boron compounds can kill you in a matter of seconds.
2. Silicon is the seventh most abundant element on earth.
3. Napoleon Bonaparte was believed to have been chronically poisoned by arsenic.
4. Arsenic's boiling point is lower than it's melting point.

Chemical Properties:

1. Reactivity(depends on the metalloid)
2. Conduct heat
3. Conduct electricity

Physical Properties:

  • Non-metal
  1. Dull
  2. Brittle
  3. Low density
  • Metal
  1. Shiny
  2. Malleable
  3. High density

ArsenicE.jpg
periodic_table.JPG.jpeg
metalloid_elements1.jpg

CIted Sources:
"Metalloids Elements." The Periodic Table. Web. 20 Oct. 2009. <http://www.periodic-table.org.uk/metalloids.htm>.
"Chemical Elements.com - Metalloids." Chemical Elements.com - An Interactive Periodic Table of the Elements. Web. 20 Oct. 2009. <http://www.chemicalelements.com/groups/metalloids.html>.
Metals, Nonmetals, and Metalloids. 2000. Photograph. Ed. D. Gibson.
 Metalloids. 2000. Photograph. RGB Limited.
"Periodic Table ADventure." Web Based Curriculum Class. Web. 22 Oct. 2009. <http://web.buddyproject.org/web017/web017/metals.html>.
Arsenic. 2009. Photograph. Wikipedia.
Periodic Table of Elements and Chemistry. Web. 25 Oct. 2009. <http://www.chemicool.com/>.
"Groups of Metals / Semi-Metals_G_Block." Groups of Metals / FrontPage. Web. 25 Oct. 2009. <http://isbchem1.pbworks.com/Semi-Metals_G_Block>.
"Groups of Metals / Semi-Metals_E_Block." Groups of Metals / FrontPage. Web. 25 Oct. 2009. <http://isbchem1.pbworks.com/Semi-Metals_E_Block>.